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RAREELECTRICAL Piston Kit 1Mm Over 79Mm Compatible With Sea-Doo Xp 650 Gtx 650 Spx 650 Rotax 657 657X 2-Stroke 1993-1995 Explorer Speedster Sportster 666Cc 70Hp Replaces 290886545 290-886-545 in Kuwait RAREELECTRICAL Piston Kit 1Mm Over 79Mm Compatible With Sea-Doo Xp 650 Gtx 650 Spx 650 Rotax 657 657X 2-Stroke 1993-1995 Explorer Speedster Sportster 666Cc 70Hp Replaces 290886545 290-886-545 in Kuwait RAREELECTRICAL Piston Kit 1Mm Over 79Mm Compatible With Sea-Doo Xp 650 Gtx 650 Spx 650 Rotax 657 657X 2-Stroke 1993-1995 Explorer Speedster Sportster 666Cc 70Hp Replaces 290886545 290-886-545 in Kuwait

RAREELECTRICAL Piston Kit 1Mm Over 79Mm Compatible With Sea-Doo Xp 650 Gtx 650 Spx 650 Rotax 657 657X 2-Stroke 1993-1995 Explorer Speedster Sportster 666Cc 70Hp Replaces 290886545 290-886-545

KWD 23.500
Weight
0.9 kg
– 1 +

Special Features

  • Compatible with SEA-DOO. Please verify your OEM part number from your original unit to help ensure fitment.
  • Replaces: Oem Part Numbers: / Sea-Doo / Brp: 290-886-545 / 290886545 / Specifications: / Type: Single Piston Kit (1 Cylinder) / Bore: 1.00Mm Oversize To 79.00Mm / Overbored Displacement: 666Cc (Stock: 657Cc / 78.00Mm) / Engine: Rotax 657 / 657X 2-Stroke 2-Cylinder Inline Twin / Hp Range: 70Hp (657) / 80Hp (657X) / Kit Includes: 1 Piston, 1 Ring Set, 1 Wrist Pin, 1Pr Circlips / Note: Twin Engine — Order 2 Kits Per Full Engine Rebuild / Condition: New / Sea-Doo
  • Applications: Sea-Doo Xp / Gtx / Spx / Xpi 650 Pwc Models: / Xp 650 Rotax 657 2-Stroke 2-Cyl Dual Carb 70Hp (1993) / Gtx 650 Rotax 657 2-Stroke 2-Cyl Dual Carb 70Hp (1994) / Spx 650 Rotax 657 2-Stroke 2-Cyl Dual Carb 70Hp (1994) / Xp 650 / Xp 657X Rotax 657X 2-Stroke 2-Cyl Dual Carb 80Hp (1994-1995) / Xpi 650 Rotax 657X 2-Stroke 2-Cyl Dual Carb 80Hp (1994) / Gtx 650 Rotax 657X 2-Stroke 2-Cyl Dual Carb 80Hp (1995) / Spx 650 Rotax 657X 2-Stroke 2-Cyl Dual Carb 80Hp (1995) /
  • Applications: (1995) / / Sea-Doo Jet Boats — 657X Engine: / Explorer 650 Rotax 657X 2-Stroke 2-Cyl Dual Carb 80Hp (1994-1995) / Speedster 650 Twin Rotax 657X 2-Stroke 2-Cyl 80Hp Each / 160Hp Combined (1994-1995) / Sportster 650 Rotax 657X 2-Stroke 2-Cyl Dual Carb 80Hp (1995) / / Engine & Bore Notes: / Engine: Rotax 657 (1993 Xp Base Variant) / Rotax 657X (All 1994-95 Models) / Rotax 657X Upgrades Over 657: Tuned Exhaust, Higher Compression, Revised Carbs,...
  • Piston Kit - Bore: 1 mm Over Source: Aftermarket

Description

SEA-DOO XP / GTX / SPX 650 PWC MODELS:
XP 650 Rotax 657 2-Stroke 2-Cyl 70HP (1993)
GTX 650 Rotax 657 2-Stroke 2-Cyl 70HP (1994)
SPX 650 Rotax 657 2-Stroke 2-Cyl 70HP (1994)
XP 650 / XP 657X Rotax 657X 2-Stroke 2-Cyl 80HP (1994-1995)
XPI 650 Rotax 657X 2-Stroke 2-Cyl 80HP (1994)
GTX 650 Rotax 657X 2-Stroke 2-Cyl 80HP (1995)
SPX 650 Rotax 657X 2-Stroke 2-Cyl 80HP (1995)

SEA-DOO JET BOATS — 657X ENGINE:
Explorer 650 Rotax 657X 2-Stroke 2-Cyl 80HP (1994-1995)
Speedster 650 Twin Rotax 657X 2-Stroke 2-Cyl 80HP Each (1994-1995)
Sportster 650 Rotax 657X 2-Stroke 2-Cyl 80HP (1995)

OEM PART NUMBERS:
Sea-Doo / BRP: 290-886-545 / 290886545

SEA-DOO 650CC 657X PISTON KIT — 1.00MM OVER 79MM BORE:
Single piston kit for the Rotax 657 / 657X 2-stroke twin. Bore: 1.00mm oversize to 79.00mm (overbored displacement: 666cc). Includes: 1 Piston, 1 Ring Set, 1 Wrist Pin, 1pr Circlips. NOTE: Engine is a 2-cylinder twin — order 2 kits per full engine rebuild. Replaces OEM 290-886-545.

⚠️ IMPORTANT: Verify OEM part number and cylinder bore measurement before ordering to ensure proper fitment.

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